Exhibit 99.1 REALTY INCOME ANNOUNCES OPERATING RESULTS FOR THE THREE MONTHS AND YEAR ENDED DECEMBER 31, 2023 SAN DIEGO, CALIFORNIA, February 20, 2024....Realty Income Corporation (Realty Income, NYSE: O), The Monthly Dividend Company®, today announced operating results for the three months and year ended December 31, 2023. All per share amounts presented in this press release are on a diluted per common share basis unless stated otherwise. "As we focus on 2024 and beyond, I am energized by the strong positi ...